text: #define Pi 3.14159265358979323846
  
  struct __attribute__((scalar_storage_order("little-endian"))) R1
  {
    double F;
  };
  
  struct __attribute__((scalar_storage_order("big-endian"))) R2
  {
    double F;
  };
  
  struct R1 My_R1 = { Pi };
  struct R2 My_R2 = { Pi };
  